HP 4 C2001A, C2021A, 5n C3952A Serial Cable Pin-outs, DB-9 RS-232 Serial Connection HP LaserJet

Serial Cable Pin-outs

The following cable diagrams show the cable pinouts for the most common serial configurations.

DB-9 RS-232 Serial Connection — HP LaserJet 4

If the computer has a serial port with 9 pins, use the cable or equivalent for the HP LaserJet 4.

Figure 3-7 24542G Cable Pinout for 25 to 9 Pin Connector

Configuration 3-35